Chess Puzzle #RQErD — Master, Black to move, middlegame

Position

White: king g1; queen g4; rooks c1/f1; bishop f3; pawns a2/b3/c5/f2/g3. Black: king c8; queen c7; rooks g8/h8; bishop a7; pawns a6/b7/d4/e6/f7. Material is balanced. Black to move.

Solution (5 moves)

1. Opponent setup: Qe4 — queen g4→e4. Now Black to move.
2. Best move: Rxg3+ — rook g8→g3, captures pawn, gives check. Opponent replies fxg3 (pawn f2→g3, captures rook).
3. Best move: Qxg3+ — queen c7→g3, captures pawn, gives check. Opponent replies Bg2 (bishop f3→g2).
4. Best move: Bb8 — bishop a7→b8. Opponent replies Qxb7+ (queen e4→b7, captures pawn, gives check).
5. Best move: Kd8 — king c8→d8. Opponent replies Qxb8+ (queen b7→b8, captures bishop, gives check).
6. Best move: Qxb8 — queen g3→b8, captures queen.

Tactical themes

advantage, middlegame, quiet move, sacrifice, very long. The key move Rxg3+ captures with check, forcing a response.

Position data

FEN: 2k3rr/bpq2p2/p3p3/2P5/3p2Q1/1P3BP1/P4P2/2R2RK1 w - - 1 29

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